package headfirst.observer;
import java.lang.String;

interface IntfObserver
{
	//info[0]	id
	//info[1]	owner_id
	//info[2]	cate_id
	//info[3]	city_id
	//info[4]	create_time
	//info[5]	modify_time
	//info[6]	from_type
	
	//listener func
	public boolean doUpdate(String[] info);
	
	//information display func
	public boolean showCountResult();
}
